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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$input = "wadidaw"
function run($input){
$rem = preg_replace('/[^a-zA-Z0-9\s]/" "','', $input);
$split = str_split($run);
$run = ($split == array_reverse($split)) ? "Benar" : "Salah";
}
echo run($input);